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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!howland.erols.net!news-peer.gsl.net!hammer.uoregon.edu!netnews.nwnet.net!nwnet.net!not-for-mail From: aad@nwnet.net (Anthony Talltree) Newsgroups: comp.unix.bsd.bsdi.misc Subject: Re: Increasing VNODES Date: 12 May 1997 14:52:55 -0700 Organization: NorthWestNet, Bellevue, WA, USA, Earth Lines: 14 Message-ID: <5l83fn$p0@lovecraft.nwnet.net> References: <5l7kc1$gq$1@news.theriver.com> Reply-To: aad@nwnet.net NNTP-Posting-Host: lovecraft.nwnet.net Xref: euryale.cc.adfa.oz.au comp.unix.bsd.bsdi.misc:6860 >According to a discussion on news.software.nntp increasing VNODES >may help boost news server performance. Anyone know the correct way >to do this? In param.c NVODE looks like a likely variable, but it seems to be >derived solely from MAXUSERS (which I already have set to 256) rather than >being able to be set independently. /usr/sbin/sysctl -w kern.maxvnodes=30000 I'd be concerned about this starving other uses of kmem, though. BSDI seems to share a pool of kernel memory among vnodes, mbufs, and so forth -- they contend for it. Some recommend increasing NMBCLUSTERS and KMAPENTRIES, but I've had stability problems doing that.